Latest from oak galls

The Oaks of Sunol Wilderness

December 18, 2009 by Rick Bacigalupi

Special Event Video! Naturalist Katie Colbert takes us on a guided hike among the oaks of Sunol Regional Wilderness, in ...

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Call of the Galls

July 01, 2009 by Ron Russo

Standing sentinel near the highest point in the East Bay Regional Park District, an ancient blue oak is our window into a spectrum of life in the orbit of one grand tree. From passing raptors and nesting acorn woodpeckers and browsing deer, we zoom in to the strange and colorful world of the gall wasps. These tiny insects are first-rate engineers, manipulating their host trees into creating peculiar shelters for the wasps' larvae, in often-fanciful shapes reminiscent of sea urchins, dunce caps, and more.

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The Essential Tree

October 01, 2003 by Gordy Slack

It's almost impossible to imagine the California landscape without oak woodlands. But this most familiar and prolific habitat faces a number of serious threats, including unchecked suburban development and Sudden Oak Death. Fortunately, many parks in the Bay Area, including those of the East Bay Regional Parks, offer welcome refuge for a variety of oak woodlands.

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